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June 2015 DocID5377 Rev 11 1/17

This is information on a product in full production. www.st.com

STTH2003

High frequency secondary rectifier

Datasheet - production data

Features Combines highest recovery and reverse

voltage performance

Ultra-fast, soft and noise-free recovery

Insulated package: TO-220FPAB

Insulating voltage = 2000 VRMS sine

ECOPACK®2 compliant component for D²PAK on demand

Description Dual center tap fast recovery epitaxial diodes suited for switch mode power supply and high frequency DC/DC converters.

Packaged in TO-220AB, TO-220FPAB, I2PAK or D2PAK, this device is especially intended for secondary rectification.

Table 1: Device summary

Symbol Value

IF(AV) 2 x 10 A

VRRM 300 V

Tj (max) 175 °C

VF (typ) 0.85 V

trr (max) 25 ns

KK

A1 A1A2

A2

D2PAK

A1K

A2

A1K

A2

TO-220AB

A1K

A2

TO-220FPAB

A1K

A2

I2PAK

Characteristics STTH2003

2/17 DocID5377 Rev 11

1 Characteristics Table 2: Absolute ratings (limiting values, per diode, at 25 °C, unless otherwise specified)

Symbol Parameter Value Unit

VRRM Repetitive peak reverse voltage 300 V

IF(RMS) Forward rms current 30 A

IF(AV)

Average forward

current δ = 0.5,

square wave

TO-220AB, D2PAK,

I2PAK TC = 140 °C Per

diode 10

A TO-220FPAB TC = 115 °C

All types Per device 20

IFSM

Surge non

repetitive forward

current

tp = 10 ms sinusoidal 110 A

Tstg Storage temperature range -65 to + 175 °C

Tj Maximum operating junction temperature (1) + 175 °C

Notes:

(1)(dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink.

Table 3: Thermal parameter

Symbol Parameter Value Unit

Rth(j-c) Junction to case

TO-220AB, D2PAK, I2PAK Per diode

2.5

°C/W TO-220FPAB 4.6

TO-220AB, D2PAK, I2PAK Total

1.3

TO-220FPAB 4

Rth(c) Coupling TO-220AB, D2PAK, I2PAK

- 0.1

°C/W TO-220FPAB 3.5

When the diodes 1 and 2 are used simultaneously:

ΔTj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) x Rth(c)

Table 4: Static electrical characteristics (per diode)

Symbol Parameter Test conditions Min. Typ. Max. Unit

IR(1) Reverse leakage current Tj = 25 °C

VR = 300 V -

20

µA Tj = 125 °C - 30 300

VF(2) Forward voltage drop

Tj = 25 °C IF = 10 A

-

1.25 V

Tj = 125 °C - 0.85 1

Notes:

(1)Pulse test: tp = 5 ms, δ < 2% (2)Pulse test: tp = 380 µs, δ < 2%

STTH2003 Characteristics

DocID5377 Rev 11 3/17

To evaluate the conduction losses use the following equation:

P = 0.75 x IF(AV) + 0.025 IF2(RMS)

Table 5: Recovery characteristics (per diode)

Symbol Parameter Test conditions Min. Typ. Max. Unit

trr Reverse recovery time

Tj= 25 °C

IF= 0.5 A, Irr= 0.25 A, IR= 1 A -

25

ns IF= 1 A, VR= 30 V,dIF/dt= -50 A/µs

-

35

tfr Forward recovery time

Tj= 25 °C

IF= 10 A, VFR= 1.1 x VFmax, dIF/dt= 100 A/µs

-

230 ns

VFP Peak forward voltage

Tj= 25 °C

IF= 10 A, dIF/dt= 100 A/µs -

3.5 V

IRM Reverse recovery

current Tj= 125 °C

IF= 10 A, VCC= 200 V, dIF/dt= 200 A/µs

-

8 A

S factor Softness factor - 0.3

-

1.1 Characteristics (curves)

Figure 1: Conduction losses versus average forward current (per diode)

Figure 2: Forward voltage drop versus forward current (maximum values, per diode)

Figure 3: Relative variation of thermal impedance junction to case versus pulse duration (TO-220AB,

D²PAK, I²PAK)

Figure 4: Relative variation of thermal impedance junction to case versus pulse duration (TO-

220FPAB)

0 2 4 6 8 10 12

0

2

4

6

8

10

12

14

P1(W)

T

δ=tp/T tp

δ = 0.05

δ = 1

I (A)F(AV)

δ = 0.1 δ = 0.2 δ = 0.5

1E-3 1E-2 1E-1 1E+0

0.0

0.2

0.4

0.6

0.8

1.0

Z /Rth(j-c ) th(j-c)

t (s)p

Single pulse

1E-2 1E-1 1E+0 1E+1

0.0

0.2

0.4

0.6

0.8

1.0

Z /Rth(j-c ) th(j-c)

t (s)p

Single pulse

Characteristics STTH2003

4/17 DocID5377 Rev 11

Figure 5: Peak reverse recovery current versus dIF/dt (typical values, per diode)

Figure 6: Reverse recovery time versus dIF/dt (typical values, per diode)

Figure 7: Softness factor versus dIF/dt (typical values, per diode)

Figure 8: Relative variation of dynamic parameters versus junction temperature (reference: Tj = 125

°C)

Figure 9: Transient peak forward voltage versus dIF/dt (typical values, per diode) (TO-220AB)

Figure 10: Forward recovery time versus dIF/dt (typical values, per diode)

0 50 100 150 200 250 300 350 400 450 500

0

2

4

6

8

10

12

14

16I (A)RM

dI /dt(A/µs)F

I =2 x IF F(AV)

I =IF F(AV)

I =0.5 x IF F(AV)

V =200V

T =125°CR

j

0 50 100 150 200 250 300 350 400 450 500

0

20

40

60

80

100

t (ns)rr

dI /dt(A/µs)F

I =2 x IF F(AV)

I =IF F(AV)

I =0.5 x IF F(AV)

V =200V

T =125°CR

j

0 50 100 150 200 250 300 350 400 450 500

0.00

0.10

0.20

0.30

0.40

0.50

0.60

S factor

dI /dt(A/µs)F

V =200V

T =125°CR

j

0 50 100 150 200 250 300 350 400 450 500

0

2

4

6

8

10

V (V)FP

dI /dt(A/µs)F

I =I

T =125°CF F(AV)

j

0 50 100 150 200 250 300 350 400 450 500

0

100

200

300

400

500t (ns)fr

dI /dt(A/µs)F

I =I

T =125°C

F F(AV)

j

V =1.1 x V max.FR F

STTH2003 Characteristics

DocID5377 Rev 11 5/17

Figure 11: Thermal resistance, junction to ambient, versus copper surface under tab (epoxy printed

board FR4, eCu =35µm) (D²PAK)

Figure 12: Average forward current versus ambient temperature (δ = 0.5, per diode)

0

10

20

30

40

50

60

70

80

0 5 10 15 20 25 30 35 40

Rth

(j-a

)(°C

/W)

SCu(cm²)

0

1

2

3

4

5

6

7

8

9

10

11

12

0 25 50 75 100 125 150 175

I (A)F(AV)

T (°C)amb

R = Rth(j-a) th(j-c)

TO-220AB / I PAK / D PAK2 2

TO-220FPAB

Package information STTH2003

6/17 DocID5377 Rev 11

2 Package information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark.

Cooling method: by conduction (C)

Epoxy meets UL 94,V0

Recommended torque value: 0.55 N·m (for TO-220AB and TO-220FPAB)

Maximum torque value: 0.7 N·m (for TO-220AB and TO-220FPAB)

STTH2003 Package information

DocID5377 Rev 11 7/17

2.1 D²PAK package information

Figure 13: D²PAK package outline

This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed.


8/17 DocID5377 Rev 11

Table 6: D²PAK package mechanical data

Ref.

Dimensions

Millimeters Inches

Min. Max. Min. Max.

A 4.36 4.60 0.172 0.181

A1 0.00 0.25 0.000 0.010

b 0.70 0.93 0.028 0.037

b2 1.14 1.70 0.045 0.067

c 0.38 0.69 0.015 0.027

c2 1.19 1.36 0.047 0.053

D 8.60 9.35 0.339 0.368

D1 6.90 8.00 0.272 0.311

D2 1.10 1.50 0.043 0.060

E 10.00 10.55 0.394 0.415

E1 8.10 8.90 0.319 0.346

E2 6.85 7.25 0.266 0.282

e 2.54 typ. 0.100

e1 4.88 5.28 0.190 0.205

H 15.00 15.85 0.591 0.624

J1 2.49 2.90 0.097 0.112

L 1.90 2.79 0.075 0.110

L1 1.27 1.65 0.049 0.065

L2 1.30 1.78 0.050 0.070

R 0.4 typ. 0.015

V2 0° 8° 0° 8°


DocID5377 Rev 11 9/17

Figure 14: D²PAK recommended footprint (dimensions in mm)


10/17 DocID5377 Rev 11

2.2 I²PAK package information

Figure 15: I²PAK package outline


DocID5377 Rev 11 11/17

Table 7: I²PAK package mechanical data

Ref.

Dimensions

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

A1 2.40 2.72 0.094 0.107

b 0.61 0.88 0.024 0.035

b1 1.14 1.70 0.044 0.067

F 0.75 1.0 0.03 0.039

F1 1.15 1.70 0.045 0.067

F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.40 2.70 0.094 0.106

H 10.00 10.40 0.393 0.409

L2 16.00 typ. 0.63 typ.

L3 28.60 30.60 1.126 1.205

L4 9.80 10.6 0.386 0.417

L5 2.90 3.60 0.114 0.142

L6 15.90 16.40 0.626 0.646

L7 9.00 9.30 0.354 0.366

Dia 3.0 3.20 0.118 0.126

Mounting (soldering) the I2PAK metal slug (heatsink) with alloy, like a surface mount device, IS NOT PERMITTED. A standard through-hole mounting is mandatory.


12/17 DocID5377 Rev 11

2.3 TO-220AB package information

Figure 16: TO-220AB package outline

A

C

D

L7

Dia

L5

L6

L9

L4

F

H2

G

G1

L2

F2

F1

EM


DocID5377 Rev 11 13/17

Table 8: TO-220AB package mechanical data

Ref.

Dimensions

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

C 1.23 1.32 0.048 0.051

D 2.40 2.72 0.094 0.107

E 0.49 0.70 0.019 0.027

F 0.61 0.88 0.024 0.034

F1 1.14 1.70 0.044 0.066

F2 1.14 1.70 0.044 0.066

G 4.95 5.15 0.194 0.202

G1 2.40 2.70 0.094 0.106

H2 10.00 10.40 0.393 0.409

L2 16.40 typ. 0.645 typ.

L4 13.00 14.00 0.511 0.551

L5 2.65 2.95 0.104 0.116

L6 15.25 15.75 0.600 0.620

L7 6.20 6.60 0.244 0.259

L9 3.50 3.93 0.137 0.154

M 2.6 typ. 0.102 typ.

Diam 3.75 3.85 0.147 0.151


14/17 DocID5377 Rev 11

2.4 TO-220FPAB package information

Figure 17: TO-220FPAB package outline

H

A

B

Dia

L7

L6

L5

F1

F2

F

D

E

L4

G1

G

L2

L3


DocID5377 Rev 11 15/17

Table 9: TO-220FPAB package mechanical data

Ref.

Dimensions

Millimeters Inches

Min. Max. Min. Max.

A 4.40 4.60 0.173 0.181

B 2.5 2.7 0.098 0.106

D 2.50 2.75 0.098 0.108

E 0.45 0.70 0.018 0.027

F 0.75 1.0 0.03 0.039

F1 1.15 1.70 0.045 0.067

F2 1.15 1.70 0.045 0.067

G 4.95 5.20 0.195 0.205

G1 2.40 2.70 0.094 0.106

H 10.00 10.40 0.393 0.409

L2 16.00 typ. 0.63 typ.

L3 28.60 30.60 1.126 1.205

L4 9.80 10.6 0.386 0.417

L5 2.90 3.60 0.114 0.142

L6 15.90 16.40 0.626 0.646

L7 9.00 9.30 0.354 0.366

Dia 3.0 3.20 0.118 0.126

Ordering information STTH2003

16/17 DocID5377 Rev 11

3 Ordering information Table 10: Ordering information

Order code Marking Package Weight Base qty Delivery mode

STTH2003CT STTH2003CT TO-220AB 1.95g 50 Tube

STTH2003CG STTH2003CG D2PAK 1.38g 50 Tube

STTH2003CG-TR STTH2003CG D2PAK 1.38g 1000 Tape and reel

STTH2003CFP STTH2003CFP TO-220FPAB 1.9g 50 Tube

STTH2003CR STTH2003CR I2PAK 1.5g 50 Tube

4 Revision history Table 11: Document revision history

Date Revision Changes

Aug-2003 7G Previuous release

26-Mar-2007 8 Removed ISOWATT package

11-Feb-2011 9

Updatd base quantity for tape and reel delivery.

Corrected temperature in Table 1. Added warning paragraph above

Table 7.

06-Sep-2011 10 Updated Table 2. Added Figure 12

28-May-2015 11

Updated features, Table 1: "Device summary" and packages

silhouette in cover page.

Updated Section 1: "Characteristics".

Updated Section 2.2: "D²PAK package information".

STTH2003

DocID5377 Rev 11 17/17

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